code: def test_correct_results(self, _, args, input_image, expected):
      converter = LabelFilterd(keys="image", **args)
      result = converter({"image": input_image})["image"]
      assert_allclose(result, expected)
  
file_path: MONAI/tests/test_label_filterd.py
imports: from __future__ import annotations
  import unittest
  import torch
  from parameterized import parameterized
  from monai.transforms.post.dictionary import LabelFilterd
  from tests.utils import TEST_NDARRAYS, assert_allclose
label_desc: Use image node_id 1 for calling the TestLabelFilter obj's underlying member method code with example usage: obj.test_correct_results(_, args, input_image, expected) without return types